NEW: ebus-daemon merged into ebusd.
This commit is contained in:
Roland Jax
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/*
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* Copyright (C) Roland Jax 2012-2014 <roland.jax@liwest.at>
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*
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* This file is part of ebusd.
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*
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* ebusd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ebusd is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ebusd. If not, see http://www.gnu.org/licenses/.
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*/
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#include "baseloop.h"
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#include "logger.h"
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#include "appl.h"
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#include "network.h"
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#include <algorithm>
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#include <sstream>
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#include <unistd.h>
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extern LogInstance& L;
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extern Appl& A;
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void BaseLoop::start()
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{
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for (;;) {
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// recv new message from client
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Message* message = m_queue.remove();
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std::string data = message->getData();
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data.erase(std::remove(data.begin(), data.end(), '\r'), data.end());
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data.erase(std::remove(data.begin(), data.end(), '\n'), data.end());
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L.log(bas, event, ">>> %s", data.c_str());
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// decode message
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std::string result(decodeMessage(data));
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L.log(bas, event, "<<< %s", result.c_str());
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// send result to client
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result += '\n';
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Connection* connection = static_cast<Connection*>(message->getSource());
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connection->addResult(Message(result));
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delete message;
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}
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}
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std::string BaseLoop::decodeMessage(const std::string& data)
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{
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std::ostringstream result;
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std::string cycdata;
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int index;
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// prepare data
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std::string token;
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std::istringstream stream(data);
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std::vector<std::string> cmd;
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while (std::getline(stream, token, ' ') != 0)
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cmd.push_back(token);
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if (cmd.size() == 0)
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return "command missing";
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switch (getCase(cmd[0])) {
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case notfound:
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result << "command not found";
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break;
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case get:
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if (cmd.size() < 3 || cmd.size() > 4) {
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result << "format: [get class cmd (sub)]";
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break;
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}
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index = m_commands->findCommand(data);
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if (index >= 0) {
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std::string type = m_commands->getType(index);
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std::string ebusCommand(A.getParam<const char*>("p_address"));
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ebusCommand += m_commands->getEbusCommand(index);
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std::transform(ebusCommand.begin(), ebusCommand.end(), ebusCommand.begin(), tolower);
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L.log(bas, trace, " type: %s msg: %s", type.c_str(), ebusCommand.c_str());
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// send busCommand
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m_ebusloop->addBusCommand(new BusCommand(type, ebusCommand));
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BusCommand* busCommand = m_ebusloop->getBusCommand();
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if (busCommand->getResult().c_str()[0] != '-') {
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// decode data
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Command* command = new Command(index, (*m_commands)[index], busCommand->getResult());
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// return result
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result << command->calcResult(cmd);
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delete command;
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} else {
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L.log(bas, error, " %s", busCommand->getResult().c_str());
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result << busCommand->getResult();
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}
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delete busCommand;
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} else {
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result << "ebus command not found";
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}
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break;
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case set:
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if (cmd.size() != 4) {
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result << "format: [set class cmd value]";
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break;
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}
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index = m_commands->findCommand(data.substr(0, data.find(cmd[3])-1));
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if (index >= 0) {
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std::string type = m_commands->getType(index);
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std::string ebusCommand(A.getParam<const char*>("p_address"));
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ebusCommand += m_commands->getEbusCommand(index);
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// encode data
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Command* command = new Command(index, (*m_commands)[index], cmd[3]);
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std::string value = command->calcData();
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if (value[0] != '-') {
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ebusCommand += value;
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} else {
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L.log(bas, error, " %s", value.c_str());
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delete command;
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break;
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}
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std::transform(ebusCommand.begin(), ebusCommand.end(), ebusCommand.begin(), tolower);
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L.log(bas, event, " type: %s msg: %s", type.c_str(), ebusCommand.c_str());
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// send busCommand
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m_ebusloop->addBusCommand(new BusCommand(type, ebusCommand));
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BusCommand* busCommand = m_ebusloop->getBusCommand();
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if (busCommand->getResult().c_str()[0] != '-') {
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// decode result
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if (busCommand->getResult().substr(busCommand->getResult().length()-8) == "00000000")
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result << "done";
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else
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result << "error";
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} else {
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L.log(bas, error, " %s", busCommand->getResult().c_str());
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result << busCommand->getResult();
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}
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delete busCommand;
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delete command;
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} else {
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result << "ebus command not found";
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}
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break;
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case cyc:
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if (cmd.size() < 3 || cmd.size() > 4) {
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result << "format: [cyc class cmd (sub)]";
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break;
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}
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index = m_commands->findCommand(data);
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if (index >= 0) {
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// get cycdata
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cycdata = m_cycdata->getData(index);
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if (cycdata != "") {
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// decode data
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Command* command = new Command(index, (*m_commands)[index], cycdata);
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// return result
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result << command->calcResult(cmd);
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delete command;
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} else {
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result << "no data stored";
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}
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} else {
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result << "ebus command not found";
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}
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break;
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case hex:
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if (cmd.size() != 3) {
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result << "format: [hex type value] (ZZ PB SB NN Dx)";
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break;
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}
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if ((strcasecmp(cmd[1].c_str(), "MS") == 0)
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|| (strcasecmp(cmd[1].c_str(), "MM") == 0)
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|| (strcasecmp(cmd[1].c_str(), "BC") == 0)) {
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std::string type = cmd[1];
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std::string ebusCommand(A.getParam<const char*>("p_address"));
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cmd[2].erase(std::remove_if(cmd[2].begin(), cmd[2].end(), isspace), cmd[2].end());
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ebusCommand += cmd[2];
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std::transform(ebusCommand.begin(), ebusCommand.end(), ebusCommand.begin(), tolower);
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L.log(bas, trace, " type: %s msg: %s", type.c_str(), ebusCommand.c_str());
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// send busCommand
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m_ebusloop->addBusCommand(new BusCommand(type, ebusCommand));
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BusCommand* busCommand = m_ebusloop->getBusCommand();
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if (busCommand->getResult().c_str()[0] == '-')
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L.log(bas, error, " %s", busCommand->getResult().c_str());
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result << busCommand->getResult();
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delete busCommand;
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} else {
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result << "specified message type is incorrect";
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}
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break;
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case dump:
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if (cmd.size() != 2) {
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result << "format: [dump state] (on|off)";
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break;
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}
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if (cmd[1] == "on") m_ebusloop->dump(true);
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if (cmd[1] == "off") m_ebusloop->dump(false);
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result << "done";
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break;
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case logarea:
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if (cmd.size() != 2) {
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result << "format: [logarea area,area,..] (bas|net|bus|cyc|all)";
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break;
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}
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L.getSink(0)->setAreas(calcArea(cmd[1]));
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result << "done";
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break;
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case loglevel:
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if (cmd.size() != 2) {
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result << "format: [loglevel level] (error|event|trace|debug)";
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break;
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}
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L.getSink(0)->setLevel(calcLevel(cmd[1]));
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result << "done";
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break;
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case help:
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result << std::endl
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<< " get - fetch ebus data [get class cmd (sub)]" << std::endl
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<< " set - set ebus values [set class cmd value]" << std::endl
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<< " cyc - fetch cycle data [cyc class cmd (sub)]" << std::endl
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<< " hex - send given hex value [hex type value] (ZZ PB SB NN Dx)" << std::endl
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<< " dump - change dump state [dump state] (on|off)" << std::endl
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<< " logarea - change log area [logarea area,area,..] (bas|net|bus|cyc|all)" << std::endl
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<< " loglevel - change log level [loglevel level] (error|event|trace|debug)" << std::endl
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<< " quit - close connection" << std::endl
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<< " help - print this page";
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break;
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default:
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break;
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}
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return result.str();
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}
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